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- 1. Multiple Choice
A student wants to classify these into abiotic components from biotic components separately. Which option correctly shows the classification done by the student?
- 2. Multiple Choice
Which option shows the correct model made based on the table?
- 3. Multiple Choice
Choose the correct statement.
a) Fox feeds on hawk obtain energy.
(b) Hawk feeds on oak acorn to obtain energy.
((c) Squirrel feeds on pine borer to obtain energy.
(d) Salamander feeds on pine borer to obtain energy.
- 4. Multiple Choice
The manufacturing of Chlorofluorocarbons free refrigerators is mandatory throughout the world. How this help prevent ozone depletion?
(a) This will help convert oxygen molecules into ozone.
(b) This will help convert the CFCs into ozone molecules.
(c) This will reduce the production of CFC from oxygen molecules.
(d) This will reduce the release of CFCs that reacts with ozone molecules
- 5. Multiple Choice
Ozone forms by combination of free oxygen atoms and oxygen molecules. How do free oxygen atoms form at higher levels of atmosphere?
(a) by splitting of molecular oxygen into free oxygen atoms in the presence of low energy UV radiations
(b) by splitting of a molecular oxygen into free oxygen atoms in presence of high energy UV radiations
(c) by the combination of two molecular oxygen in the presence of high energy UV radiations
(d) by the combination of two free oxygen atoms in the presence of lower energy UV radiations
- 6. Multiple Choice
Which group of waste materials can be classified as non-biodegradable?
(a) plant waste, used tea bags r
(b) polyethene bags, plastic toys
(c) used tea bags, paper straw
(d) old clothes, broken footwear
- 7. Multiple Choice
What materials correctly classified biodegradable and non-biodegradable materials?
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